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Schedule of Components of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jul. 31, 2025	Apr. 30, 2025
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 7,434	$ 5,981
Less: accumulated depreciation	(2,731)	(2,537)
Property and equipment, net	4,703	3,444
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,088	1,569
Computer Equipment & Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	629	620
Office Furniture & Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	425	425
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	683	683
Leased WAM-V's [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,735	1,735
Leased Buoys [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,874	$ 949

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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